Preliminary Investigation for Forecasting the Content of Polycyclic Aromatic Hydrocarbons after Soil Fertilization with Sewage Sludge
P. Oleszczuk*, S. Baran
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Institute of Soil Science and Environmental Management, University of Agriculture,
ul. Leszczyńskiego 7, 20-069 Lublin, Poland
Pol. J. Environ. Stud. 2004;13(3):253-260
In addition to the positive effects on the physical, chemical and biological soil properties of the application of sewage sludge into the soil, there is often an increase of both organic and inorganic pollutants in the soil. One of the most popular organic xenobiotics frequently present in sewage sludge are polycyclic aromatic hydrocarbons. The aim of this study is to determine possibilities for forecasting the content of individual PAHs in the soil on the basis of their content in sewage sludge. Two types of sewage sludge with different PAH contents, both in terms of quantity and quality, were examined. The different types of sludge were introduced into the soil in the following doses: 30, 75, 150, 300 and 600 t/ha. The results obtained showed a clear differentiation in the behaviour of individual PAHs in relation to the dose applied and the type of sewage sludge.
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